CVE-2021-3847
linux-hardenedVulnerabilityCVSS 7.8Patched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 3.1 : 7.8 HIGH · CVSS 2.0 : 7.2 HIGH
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Arch | linux-hardened | 5.15.7.hardened1-1 | - | affected (no fix yet) |
| Arch | linux-zen | 5.15.8.zen1-1 | - | affected (no fix yet) |
| Arch | linux | 5.15.8.arch1-1 | - | affected (no fix yet) |
| Arch | linux-lts | 5.10.85-1 | 5.15.2-1 | fixed |
| Debian:11 | linux | - | - | affected (no fix yet) |
| Debian:12 | linux | - | - | affected (no fix yet) |
| Debian:13 | linux | - | - | affected (no fix yet) |
| Debian:14 | linux | - | - | affected (no fix yet) |